Henri Verbeet : ddraw: Only check dwFlags if we actually have a D3DLIGHT2 structure in d3d_light_SetLight ().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d9051bbe93b470197a22cf1e21d26f5b7fb9ecbf
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=d9051bbe93b470197a22cf1e21...

Author: Henri Verbeet <hverbeet(a)codeweavers.com>
Date:   Sun Jan 13 22:08:07 2013 +0100

ddraw: Only check dwFlags if we actually have a D3DLIGHT2 structure in d3d_light_SetLight().

---

 dlls/ddraw/light.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/ddraw/light.c b/dlls/ddraw/light.c
index ebc1410..1d81803 100644
--- a/dlls/ddraw/light.c
+++ b/dlls/ddraw/light.c
@@ -210,7 +210,7 @@ static HRESULT WINAPI d3d_light_SetLight(IDirect3DLight *iface, D3DLIGHT *data)
     /* Translate D3DLIGHT2 structure to D3DLIGHT7. */
     light7->dltType = data->dltType;
     light7->dcvDiffuse = data->dcvColor;
-    if (((D3DLIGHT2 *)data)->dwFlags & D3DLIGHT_NO_SPECULAR)
+    if (data->dwSize >= sizeof(D3DLIGHT2) && (((D3DLIGHT2 *)data)->dwFlags & D3DLIGHT_NO_SPECULAR))
         light7->dcvSpecular = data->dcvColor;
     else
         light7->dcvSpecular = *(const D3DCOLORVALUE *)zero_value;